<?php

class HomepageContentController extends AdminController
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}
	
	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		$this->performAjaxValidation($model);

                $uploaded = false;
                $dir = Yii::getPathOfAlias('application.uploads.images');
		if(isset($_POST['HomepageContent']))
		{
			$model->attributes=$_POST['HompageContent'];
                        $model->file = CUploadedFile::getInstance($model, 'file');
                        if (isset($model->file) && $model->validate(array('file'))) {
                            $filename = $model->file->getName();
                            //convert string to lowercase
                            $filename = trim($filename, '-');
                            //trim whitespaces
                            $uploaded = $model->file->saveAs($dir . '/' . $filename);
                            $model->image = $filename;
                            //Load image to resize
                            $image = new SimpleImage();
                            $image->load($dir . '/' . $filename);
                            $image->resize(275, 180);
                            $image->save($dir . '/' . $filename);
                        }
			if($model->save())
				$this->redirect(array('index'));
		}


		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('HomepageContent');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}


	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return HompageContent the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=HomepageContent::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param HompageContent $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='hompage-content-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
